Geoscientific Instrumentation, Methods and Data Systems
Geoscientific Instrumentation, Methods and Data Systems
GI
Articles | Volume 9, issue 1
Articles | Volume 9, issue 1
https://doi.org/10.5194/gi-9-105-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gi-9-105-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 9, issue 1
Research article
 | 
03 Apr 2020
Research article |  | 03 Apr 2020

On the validation of K-index values at Italian geomagnetic observatories

Mauro Regi, Paolo Bagiacchi, Domenico Di Mauro, Stefania Lepidi, and Lili Cafarella

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Latest update: 13 Dec 2024
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Short summary
The K index, characterizing local geomagnetic activity, is generally automatically calculated by algorithms such as KASM, one of the four software programs recommended by INTERMAGNET. KASM requires an appropriate L9 value. We analyze K values for Italian observatories and compare them with historical German observatories to establish the best L9 estimation for our stations. A comparison with results from a previous empirical method shows the consistency and reliability of our outcome.
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